Telecommunications

Telcomnet GmbH 

Zurich · Since 2009

The core activity of TelcomNet GmbH is the planning, implementation and maintenance of communication and network solutions for companies, including telephone systems, Wi-Fi and switching systems, video surveillance, building automation and routing and switching solutions. The company also offers solutions for Unified Communications and Collaboration (UCC), Contact Center and Mobility.

TeraLine GmbH 

Urdorf · Since 2018

The company offers a wide range of telecommunications and internet services, including: internet services (DSL, fiber optic), telephony services (landline, mobile, VoIP), TV services, mobile subscriptions and data, business solutions (fiber optic, local networks, Microsoft 365, Microsoft Teams), and WLAN and backup services. The core activity of the company is the provision of telecommunications and internet services for private and business customers.

Ticino System Sagl 

Paradiso · Since 2013

Ticino System Sagl provides security and video-surveillance solutions along with installation and maintenance services for private and commercial clients. Offerings include wired and wireless alarm systems, video surveillance, Wi‑Fi hotspot systems and point‑to‑point links, plus system design, installation and post-sale technical support.

Tomy-Connect GmbH 

Schenkon · Since 2014

The core activity of Tomy-Connect GmbH is the provision of services and solutions in the field of information technology and telecommunications, particularly: ICT maintenance and security, cloud computing (TOMY-CLOUD), server and network infrastructure, telephony and communication solutions (3CX system, peoplefone), data backup and protection, virus protection and building security, video surveillance and alarm systems, ICT training and consulting, and the development and implementation of ICT solutions for various industries (e.g. carpentry, optician, auto body shop, dental practice). The company offers industry-independent IT solutions from a single source and supports customers in the realization of comprehensive solutions in the field of information technology and telecommunications.

Tonatronic GmbH 

Balterswil · Since 2010

The core activity of TONATRONIC GmbH includes the conception, installation and maintenance of multimedia systems, particularly for hotels, hospitals and similar institutions, as well as the distribution of installation and multimedia materials. Furthermore, the company offers training and further education in the field of HF communication and multimedia technology and develops and distributes specialized planning and design software for TV house installations and cable network administration.

Tplay Sagl 

Paradiso · Since 2012

The core activity of Tplay is the development and provision of technological solutions for the creation of Smart Cities. This includes, in particular: the implementation of intelligent waste management systems (Clean); the provision of public wireless networks for mobile and IoT devices (Connected); the development of digital information platforms for citizens and tourists (Informed); the creation of environmentally friendly and sustainable solutions for urban planning (Recycling); and the design of playgrounds and leisure facilities for children and families (Playground). Tplay aims to improve the quality of life and well-being of citizens, businesses, and institutions in cities.

Trigon AG perfekt vernetzt 

Baar · Since 1997

Trigon provides network solutions and services to businesses, particularly in the areas of WDM (Wavelength Division Multiplexing), FTTH (Fiber to the Home), IoT (Internet of Things) gateways and devices, MPLS (Multiprotocol Label Switching), and network management. The company supports customers in planning, implementing, and maintaining network infrastructures, and also offers consulting and support for network optimization.

VOICECOM SAGL 

Chiasso · Since 2016

The core activity of Voicecom Sagl is to provide services and solutions in the field of telecommunications and information technology (ITC) for businesses. In particular, Voicecom Sagl offers solutions for: Professional Connectivity (internet connections), Unified Communication (integrated communication solutions), VoIP (voice transmission over IP protocol), and Cloud Services (to ensure security and remote work). Voicecom Sagl positions itself as a partner for businesses to support and optimize their communication and IT infrastructure.

Tele alpin AG 

Engelberg · Since 1976

The company offers a wide range of services and products in the field of telecommunications and internet services. The core activity of the company includes providing internet connections (cable, fiber optic, microwave), telephone and mobile phone services, television services (IPTV, REPLAY+), hosting and data storage services, as well as services for building access and the expansion of fiber optic cables.

Evard AG 

Brügg Be · Since 1980

The core activity of Evard Antennenbau AG is the provision of telecommunications services, including: Internet services (including WiFi), TV services (including Replay-TV and PayTV), fixed-line telephony, and mobile phone services. The company offers these services through its own cable network, which is partially fiber-optic based.

Sky International AG 

Basel · Since 2025

Sky Switzerland SA 

Neuchâtel · Since 2003

Sunrise GmbH 

Glattpark (Opfikon) · Since 2000

The core activity of Sunrise is the provision of telecommunications services, including mobile, fixed network, broadband and TV services, as well as the provision of integrated ICT solutions for private and business customers in Switzerland.

Teleinformatik Services AG 

Zurich · Since 1999

The core activity of Teleinformatik Services AG is to provide comprehensive IT solutions for small and medium-sized enterprises (SMEs), including cloud-managed services, IT infrastructure, telephony, business software, training and workshops. The company offers comprehensive IT services, from consulting and delivery to operation, maintenance and support, and supports its customers in the development and optimization of their IT infrastructure.

TBS Telekom AG 

Suhr · Since 2011

Voltec Telecom GmbH 

St. Gallen · Since 2024

Technik Partner AG 

Zurich · Since 2009

Ernst von Holzen AG 

Buochs · Since 1973

The core activity of Ernst von Holzen AG / Tele alpin AG is the provision of services and products in the field of telecommunications and multimedia, particularly: network maintenance and operation of communication networks (Internet, TV, telephone, mobile, fibre); installation, maintenance and repair of ICT systems, PC networks and servers; consulting, sales and support of telecommunications and multimedia solutions; provision of services in the field of TV, audio, video, multimedia and satellite reception; creation of photographs and images as well as publishing of postcards and individual cards. The company offers these services and products to both private and business customers and operates a central repair workshop and several locations.

HFC-Technologie GmbH 

Zurich · Since 2008

The core activity of HFC-Technologie GmbH is the planning, installation and maintenance of telecommunications networks, particularly in the field of Hybrid Fiber Coax (HFC) technology. The services include acquisition, planning, network expansion, connection technology and measurement technology.

MTEL Schweiz GmbH 

Zurich · Since 2021

The core activity of MTEL is the provision of telecommunications services, including mobile, TV and entertainment offerings. Specifically, this includes: mobile services, including mobile subscriptions, prepaid options, roaming and additional packages; TV offerings, including TV subscriptions, prepaid options and additional packages; entertainment services, including series, movies and additional packages; and the sale of mobile phones and other devices. The company offers its services to both private and business customers.